2nd Math rock

Front

What is a rectangular array?

Back

A rectangular array is a way to arrange objects in rows and columns, like a grid.

Front

How do you find the total in a rectangular array?

Back

You can find the total by multiplying the number of rows by the number of columns.

Front

What does 4+4+4+4 equal?

Back

16

Front

What is the sum of 87 and 10?

Back

97

Front

If there are 3 rows of 4, how many total objects are there?

Back

12 (3 rows x 4 objects each = 12 objects).

Front

What is 100 + 5?

Back

105

Front

What are columns in a rectangular array?

Back

Columns are the vertical lines of objects in an array.

Front

What are rows in a rectangular array?

Back

Rows are the horizontal lines of objects in an array.

Front

If you have 2 base ten blocks of 10 and 7 single blocks, what is the total?

Back

27 (20 + 7 = 27).

Front

What is the difference between rows and columns?

Back

Rows go side to side, while columns go up and down.